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Pierre Berthier

Pierre Berthier
Pierre Berthier
Born July 3, 1782
Died August 24, 1861
Nationality French
Fields geology
Institutions École des Mines
Alma mater École Polytechnique
Doctoral advisor Template:If empty
Known for bauxite

Pierre Berthier (July 3, 1782, Nemours, Seine-et-Marne – August 24, 1861) was a French geologist and mining engineer.

Pierre Berthier was born in Nemours. After studying at the École Polytechnique, he went to the École des Mines, where he became chief of the laboratory in 1816. In 1821, while working in the village of Les Baux-de-Provence, in southern France, he discovered the rock bauxite, named for the place of its discovery. He also discovered the mineral Berthierite, which was named after him. In addition to numerous contributions in mineralogy and mining, Berthier is also noted for his research into blast furnaces and for the utilization of phosphates by plants.


Pierre Berthier was elected a member of the Académie des Sciences in 1825. In 1828, he became a chevalier of the Legion of Honor. His name is one of the 72 names inscribed on the Eiffel Tower.


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